Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\Users\Administrator\Desktop\xamp\htdocs\sdk\voku\portable-ascii\tests\TransliterateTest.php:12 Stack trace: #0 {main} thrown in C:\Users\Administrator\Desktop\xamp\htdocs\sdk\voku\portable-ascii\tests\TransliterateTest.php on line 12